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SF MARATHON 1ST HALF 2026

Mazyar Vaziri

Bib: 12421•M•Age: 50

San Francisco, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 6575
Top 38%
Gender (Male)
#0 / 3619
Top 49%
Masters (Masters Men)
#0 / 1030
Top 38%
Division (M50-54)
#0 / 196
Top 41%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
10:08/mi
20:17
→ flat
4M
10:08/mi
40:33
↑ 67↓ 69
6M
9:54/mi
1:00:22
↑ 1231.1%
8M
9:52/mi
1:20:06
↑ 166↓ 531.1%
9.6M
9:52/mi
1:35:54
↑ 68↓ 1931.5%
10M
17:59/mi
1:43:05
↓ 241.1%
10.5M
4:48/mi
1:45:29
↓ 732.7%
12M
13:05/mi
2:05:07
↑ 2803.2%
Finish· 13.11 mi
9:34/mi
2:15:44
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:00:22
Pace10:04 /mi
2nd Half
Distance7.11 mi
Time1:15:22
Pace10:36 /mi
📊Positive Split: 24.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:04:2820:1710:0820:17
10:08
-
4M
4.00 mi07:24:4440:3310:0820:16
10:08
0:00
6M
6.00 mi07:44:331:00:2210:0419:49
9:54
-0:14
8M
8.00 mi08:04:171:20:0610:0119:44
9:52
-0:02
9.6M
9.60 mi08:20:051:35:549:5915:48
9:52
0:00
10M
10.00 mi08:27:161:43:0510:197:11
17:59
+8:07
10.5M
10.50 mi08:29:401:45:2910:032:24
4:48
-13:11
12M
12.00 mi08:49:182:05:0710:2619:38
13:05
+8:17
Finish
13.11 mi08:59:552:15:4410:2110:37
9:34
-3:31

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

4:48 /mi

Average Pace

10:21 /mi

Slowest Pace

17:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:24

2% of race

Time at Steady Pace

1:46:31

78% of race

Time at Slower Pace

26:49

20% of race

Average Pace: 10:21 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi3.3mi6.6mi9.8mi13.1mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
2M
2.00 mi07:04:2820:1710:0820:17
10:08
#3253
4M
4.00 mi07:24:4440:3310:0820:16
10:08
#3094
6M
6.00 mi07:44:331:00:2210:0419:49
9:54
#2853
8M
8.00 mi08:04:171:20:0610:0119:44
9:52
#2666
9.6M
9.60 mi08:20:051:35:549:5915:48
9:52
#2818
10M
10.00 mi08:27:161:43:0510:197:11
17:59
#2755
10.5M
10.50 mi08:29:401:45:2910:032:24
4:48
#2742
12M
12.00 mi08:49:182:05:0710:2619:38
13:05
#2560
Finish
13.11 mi08:59:552:15:4410:2110:37
9:34
#2526
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 35%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

9:35

Segment Time

10:39/mi

Pace

0.90 mi

Distance

Overall

2333

Men

1642

Division

75

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
2M2.00 mi2.00 mi325321741101994(Top 30%)1412(Top 39%)59(Top 30%)
4M4.00 mi2.00 mi3094+1592102+7296+143016(Top 46%)2057(Top 57%)92(Top 47%)
6M6.00 mi2.00 mi2853+2411966+13687+92542(Top 39%)1785(Top 49%)78(Top 40%)
8M8.00 mi2.00 mi2666+1871880+8685+22240(Top 34%)1642(Top 45%)75(Top 38%)
9.6M9.60 mi1.60 mi2818-1521940-6089-43847(Top 59%)2327(Top 64%)115(Top 59%)
10M10.00 mi0.40 mi2755+631900+40892365(Top 36%)1653(Top 46%)81(Top 41%)
10.5M10.50 mi0.50 mi2742+131892+888+12609(Top 40%)1789(Top 49%)78(Top 40%)
12M12.00 mi1.50 mi2560+1821777+11582+61994(Top 30%)1412(Top 39%)59(Top 30%)
Finish13.11 mi1.11 mi2526+341761+1681+12353(Top 36%)1626(Top 45%)67(Top 34%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 30%
~flat
+5ft-3ft

Overall

1994

Males

1412

M50-54

59

2M→4M

2.0 - 4.0 mi

Top 46%
×4story building
+67ft-69ft

Overall

3016

Males

2057

M50-54

92

4M→6M

4.0 - 6.0 mi

Top 39%
×9story building
+123ft-9ft

Overall

2542

Males

1785

M50-54

78

6M→8M

6.0 - 8.0 mi

Top 34%
×12story building
+166ft-53ft

Overall

2240

Males

1642

M50-54

75

8M→9.6M

8.0 - 9.6 mi

Top 59%
×13story building
+68ft-193ft

Overall

3847

Males

2327

M50-54

115

9.6M→10M

9.6 - 10.0 mi

Top 36%
×2story building
+0ft-24ft

Overall

2365

Males

1653

M50-54

81

10M→10.5M

10.0 - 10.5 mi

Top 40%
×6story building
+1ft-73ft

Overall

2609

Males

1789

M50-54

78

10.5M→12M

10.5 - 12.0 mi

Top 30%
×21story building
+280ft-26ft

Overall

1994

Males

1412

M50-54

59

12M→Finish

12.0 - 13.1 mi

Top 36%
×7story building
+14ft-89ft

Overall

2353

Males

1626

M50-54

67

Passing Analysis

Category:
Athletes Passed
1128*
Passed By
401
Net Change
+727
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#3253
2M → 4M24081+159#3253#3094
4M → 6M26928+241#3094#2853
6M → 8M243*56+187#2853#2666
8M → 9.6M32184-152#2666#2818
9.6M → 10M674+63#2818#2755
10M → 10.5M196+13#2755#2742
10.5M → 12M20422+182#2742#2560
12M → Finish54*20+34#2560#2526
TOTALS1128*401+727

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Official Timing Data

The San Francisco Marathon

The San Francisco Marathon

Race Place Events

Race Place Events